<html>

<head>
    <meta charset="utf-8" />
    <title>这是标题</title>
    <style>
        #one {
            /* 字母间距 */
            letter-spacing: 10px;
        }

        #two {
            /* 单词间距 */
            word-spacing: 10px;
        }

        #three {
            /* 文字间距 */
            letter-spacing: 10px;
        }
    </style>

</head>



<body>
    <p id="one">what can i say!</p>
    <p id="two">what can i say!</p>
    <p id="three">展示文字间距</p>
</body>

</html>